806385188 has 24 divisors (see below), whose sum is σ = 1615361664. Its totient is φ = 345038400.

The previous prime is 806385187. The next prime is 806385233. The reversal of 806385188 is 881583608.

It is not an unprimeable number, because it can be changed into a prime (806385187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153 + ... + 40488.

It is an arithmetic number, because the mean of its divisors is an integer number (67306736).

Almost surely, 2^806385188 is an apocalyptic number.

It is an amenable number.

806385188 is an abundant number, since it is smaller than the sum of its proper divisors (808976476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806385188 is a wasteful number, since it uses less digits than its factorization.

806385188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46283 (or 46281 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 806385188 is about 28396.9221571634. The cubic root of 806385188 is about 930.7810096313.

The spelling of 806385188 in words is "eight hundred six million, three hundred eighty-five thousand, one hundred eighty-eight".